Brazilianite and Rhodochrosite Physical Properties

Brazilianite

Rhodochrosite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.98-2.993.0-3.3

1 7.18

1.5 Fracture

Conchoidal, Gems

Uneven, Conchoidal, Conchoidal to uneven, Brittle

1.6 Cleavage

(010) Distinct to good

On {10 1 1} perfect; parting on {10 1 2}

1.7 Mohs Hardness

5.53.5-4

2 10

1.8 Chemical Composition

NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

MnCO₃

Brazilianite and Rhodochrosite Chemical Formula

While comparing Brazilianite and Rhodochrosite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Brazilianite and Rhodochrosite chemical formula.

Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Rhodochrosite- MnCO₃

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Brazilianite and Rhodochrosite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brazilianite and Rhodochrosite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brazilianite and Rhodochrosite Optical Properties during the identification of gemstone. Specific gravity of Brazilianite is 3.0-3.3 whereas that of Rhodochrosite is 3.0-3.3.